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<html lang="en">
<head>
    <meta charset="UTF-8">
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    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="app"></div>

    <script src="./src/react.js"></script>
    <script src="./src/react-dom.js"></script>
    <script src="./src/babel.js"></script>

    <script type="text/babel">
        let flag= true;
        
        let str;
        if(flag ==true){
            str=<h1>正确</h1>
        }else{
            str=<h1>错误</h1>
        }

        

        ReactDOM.render(
            <div>
                { flag == true ? <h1>正确</h1> :  <h1>错误</h1>}

                { str }
                {/* <h1>正确</h1> */}
                {/* <h1>错误</h1> */}
            </div>,
            document.getElementById("app")
        )

    </script>
</body>
</html>